Document Type : Original Article
Authors
1 Soil dept. Fac. of Agric Mansoura University , Mansoura . Egypt
2 Spectroscopy Depertment, Physics Research Institute, National Research Centre,, 33 ElBehouth St, Dokki, 12311, Giza, Egypt.
3 Soil, Water and environment Research Institute, Agric. Res. Center, Egypt
4 College of Agric. Mansoura Unive.
Abstract
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